<template>
  <div class="login">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title" icon="el-icon-user-solid">若依后台管理系统</h3>

        <el-button type="primary" icon="el-icon-platform-eleme" @click="figureLogin">图形验证码</el-button>
        <el-button type="success" icon="el-icon-s-comment" @click="mobileLogin">手机短信</el-button>

      <!-- 图形验证码登录 -->
      <div v-if="isFigure">
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
            <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" type="password" auto-complete="off" placeholder="密码"
            @keyup.enter.native="handleLogin">
            <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <el-form-item prop="code" v-if="captchaEnabled">
          <el-input v-model="loginForm.code" auto-complete="off" placeholder="验证码" style="width: 63%"
            @keyup.enter.native="handleLogin">
            <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img" />
          </div>
        </el-form-item>
      </div>

      <!-- 手机号登录 -->
      <div v-if="isMobile"> 
        <el-form-item prop="">
          <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
            <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <form>
          <div>
            <label>手机号：</label>
            <input type="text" v-model="phoneNumber" />
          </div>
          <div>
            <label>验证码：</label>
            <input type="text" v-model="verificationCode" />
            <button type="button" :disabled="isDisabled" @click="sendVerificationCode">{{btnText}}</button>
          </div>
          <div>
            <button type="submit">登录</button>
          </div>
        </form>
      </div>

      <div v-if="isCommon">
        <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
        <el-form-item style="width:100%;">
          <el-button :loading="loading" size="medium" type="primary" style="width:100%;" @click.native.prevent="handleLogin">
            <span v-if="!loading">登 录</span>
            <span v-else>登 录 中...</span>
          </el-button>
        </el-form-item>
      </div>

  
        <div style="float: right;" v-if="register">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2022 ruoyi.vip All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: true,
      redirect: undefined,

      // 显示框
      isFigure: false,
      isMobile: false,
      isCommon: false,
      isRegister: false,

      //手机登录
      phoneNumber: '',
      verificationCode: '',
      isDisabled: false,
      btnText: '发送验证码'
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(()=>{});
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    }, 
    //图形验证码显示框
    figureLogin() {
      this.isFigure = true
      this.isMobile = false
      this.isCommon = true
    },
    //手机短信验证码显示框
    mobileLogin() {
      this.isFigure = false
      this.isMobile = true
      this.isCommon =true
    },

    //=======手机短信===========
    sendVerificationCode() {
      this.isDisabled = true;
      this.btnText = '正在发送...';
      axios
        .post('/api/sendVerificationCode', {
          phoneNumber: this.phoneNumber
        })
        .then(response => {
          if (response.data.status === 'success') {
            this.btnText = '验证码已发送';
            setTimeout(() => {
              this.isDisabled = false;
              this.btnText = '重新发送';
            }, 30000);
          } else {
            this.isDisabled = false;
            this.btnText = '发送失败，请重试';
          }
        })
        .catch(error => {
          console.error(error);
          this.isDisabled = false;
          this.btnText = '网络异常，请继续';
        });
    },
    submitForm() {
      axios
        .post('/api/loginBySms', {
          phoneNumber: this.phoneNumber,
          verificationCode: this.verificationCode
        })
        .then(response => {
          if (response.data.status === 'success') {
            // 登录成功，跳转到首页
            this.$router.push('/');
          } else {
            // 登录失败，提示错误信息
            alert(response.data.message);
          }
        })
        .catch(error => {
          console.error(error);
        });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 450px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
</style>
